Provided is a method for removing a first holder member from a second holder member in a cartridge. The cartridge includes: a housing; the first holder member holding an electrical contact surface; and the second holder member supported by the housing. The first holder member includes a pawl, and the second holder member includes a corner part engageable with the pawl of the first holder member. The electrical contact surface is held at one end surface of the first holder member in a first direction crossing the electrical contact surface. The method includes: disengaging the pawl from the corner part; and separating the housing and the second holder member from the first holder member in the first direction away from the one end surface of the first holder member.

A cartridge includes: a housing; a storage medium; and a holder. The storage medium has an electrical contact surface. The holder is movable relative to the housing. The holder includes: a first holder member; and a second holder member. The first holder member has a pawl portion and is configured to hold the electrical contact surface. The second holder member includes a corner portion. The pawl portion is engageable with the corner portion. The second holder member has a through-hole. An engagement part of the pawl portion engaging with the corner portion is accessible from outside the second holder member through the through-hole in a state where the pawl portion engages with the corner portion.

Method and system for converting a toner cartridge printer to a metallic or light toner printer. The method may comprise the steps: providing a printer having one or more toner cartridges; removing at least one of the one or more toner cartridges; disassembling the one or more removed toner cartridges; cleaning the one or more removed toner cartridges; filling the one or more removed toner cartridges with a white, clear, metallic or light toner; and installing the one or more removed white, clear, metallic or light toner cartridges into the printer.

There is provided a manufacturing method of manufacturing a cartridge by using a cartridge having a rotator, a frame that supports the rotator, an elastic member that is provided in a concave portion formed in the frame along a rotation axis direction of the rotator, and a sheet member that has one end fixed to the elastic member and the other end abutting on the rotator along the rotation axis direction of the rotator, and the manufacturing method includes: detaching the rotator from the frame; detaching the sheet member from the frame; detaching the elastic member from the frame; and attaching another sheet member to the frame via an adhesive member that is attached to an adhesive member attachment portion formed in the concave portion of the frame.

There is provided a manufacturing method of manufacturing a cartridge by using a cartridge having a rotator, a frame that supports the rotator, an elastic member that is provided in a concave portion formed in the frame along a rotation axis direction of the rotator, and a sheet member that has one end fixed to the elastic member and the other end abutting on the rotator along the rotation axis direction of the rotator, and the manufacturing method includes: detaching the rotator from the frame; detaching the sheet member from the frame; detaching the elastic member from the frame; and attaching another sheet member to the frame via an adhesive member that is attached to an adhesive member attachment portion formed in the concave portion of the frame.

A chip dismounting and mounting device, matched with a chip mounting part on a process cartridge. The chip dismounting and mounting device is capable of dismounting a chip disposed on the chip mounting part or mounting the chip on the chip mounting part. The chip dismounting and mounting device can smoothly dismount the chip on an exhausted process cartridge without damage and smoothly mount the dismounted chip on a new process cartridge. This alleviates the inconvenience for the user to dismount a chip on the exhausted process cartridge and mount the chip on the new process cartridge.

Systems and methods of reusing an imaging component include providing a used photoconductive drum assembly comprising a cylindrical photoconductive drum and a gear hub extending from an end of the photoconductive drum; removing the gear hub from the end of the photoconductive drum; and crimping a replacement photoconductive drum to the gear hub to form a remanufactured drum assembly.

A method of converting a CMYK toner printer to print with a white toner, comprising the steps: providing a CMYK toner printer; wherein the toner printer has four printing cartridges; wherein the four printing cartridges comprise a black toner printing cartridge, a cyan toner printing cartridge, a magenta toner printing cartridge, and a yellow toner printing cartridge; removing the black toner printing cartridge from the toner printer, such that there is an empty toner cartridge slot; providing a white toner printing cartridge that is filled with a white toner; installing the white toner printing cartridge into the empty toner cartridge slot; and providing raster image processor (RIP) software, such that the printer is able to incorporate the white toner into one or more images printed by the printer.

A replaceable unit includes a body, a memory element, a holder, and a first post. The holder has a first hole and holds the memory element to the body. The first post is provided on the body, and includes a first insert and a first head. The first insert is inserted into the first hole. The first head is located on opposite side of the first insert to the body and covers a periphery of the first hole of the holder.

A method of converting a toner printing cartridge to have a different toner, comprising the steps: providing one or more toner printing cartridges that each have an initial toner; disassembling the one or more toner printing cartridges; emptying the initial toner from each of the one or more toner printing cartridges; cleaning the one or more toner printing cartridges to create one or more empty and clean toner printing cartridges; reassembling the one or more empty and clean toner printing cartridges; filling each of the one or more reassembled toner printing cartridges with a replacement toner; and wherein the replacement toner is different from the initial toner.